Convert Millisecond to Microsecond
Use this free converter to change milliseconds (ms) into microseconds (µs). Millisecond and microsecond both measure time. As a quick reference, 1 ms equals 1000 µs, and 1 µs equals 0.001 ms.
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Microsecond (µs)
1000
1 ms = 1000 µs
Time conversion table
| Millisecond | Microsecond |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 1,000 | 1000000 |
How to convert Millisecond to Microsecond
Multiply the millisecond value by 1000 to get microseconds.
- Enter the number of milliseconds you want to convert.
- The converter instantly shows the equivalent value in microseconds.
- Worked example: 15 ms × 1000 = 15000 µs.
- Use the swap button to reverse the conversion (microsecond to millisecond).
About these units
Millisecond (ms)
- Definition
- A millisecond (ms) is one thousandth of a second.
- History
- It uses the SI prefix "milli-" and became important with electronics and computing.
- Current use
- Milliseconds measure response times, network latency, and reaction speed.
Microsecond (µs)
- Definition
- A microsecond (µs) is one millionth of a second.
- History
- It uses the SI prefix "micro-" (one millionth).
- Current use
- Microseconds measure fast electronic events and instruction timing.
Frequently asked questions
How many microseconds are in a millisecond?
There are 1000 µs in 1 ms. To convert, multiply the number of milliseconds by 1000.
How do I convert milliseconds to microseconds?
Multiply the millisecond value by 1000 to get microseconds. For example, 10 ms = 10000 µs.
Is this millisecond-to-microsecond converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Millisecond to other time units
| Unit | 1 Millisecond equals |
|---|---|
| Second (s) | 0.001 s |
| Microsecond (µs) | 1000 µs |
| Minute (min) | 0.000016666667 min |
| Hour (h) | 2.7778e-7 h |
| Day (d) | 1.1574e-8 d |
| Week (wk) | 1.6534e-9 wk |
| Month (mo) | 3.8026e-10 mo |
| Year (yr) | 3.1688e-11 yr |